728673008 has 40 divisors (see below), whose sum is σ = 1615646592. Its totient is φ = 311871168.

The previous prime is 728672983. The next prime is 728673017. The reversal of 728673008 is 800376827.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88691 + ... + 96557.

Almost surely, 2^728673008 is an apocalyptic number.

It is an amenable number.

728673008 is an abundant number, since it is smaller than the sum of its proper divisors (886973584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728673008 is a wasteful number, since it uses less digits than its factorization.

728673008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8709 (or 8703 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 728673008 is about 26993.9439134040. The cubic root of 728673008 is about 899.8654152663.

The spelling of 728673008 in words is "seven hundred twenty-eight million, six hundred seventy-three thousand, eight".